Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires sebastian/recursion-context ^8.0.0 -> satisfiable by sebastian/recursion-context[8.0.0]. - sebastian/recursion-context 8.0.0 requires php >=8.4 -> your php version (8.3.30) does not satisfy that requirement. Problem 2 - Root composer.json requires phpunit/phpunit ^12.5.8 -> satisfiable by phpunit/phpunit[12.5.8, ..., 12.5.14]. - phpunit/phpunit[12.5.9, ..., 12.5.14] require sebastian/recursion-context ^7.0.1 -> found sebastian/recursion-context[7.0.1] but it conflicts with your root composer.json require (^8.0.0). - phpunit/phpunit 12.5.8 requires sebastian/exporter ^7.0.2 -> satisfiable by sebastian/exporter[7.0.2]. - sebastian/exporter[7.0.0, ..., 7.0.2] require sebastian/recursion-context ^7.0 -> found sebastian/recursion-context[7.0.0, 7.0.1] but it conflicts with your root composer.json require (^8.0.0). Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.